Eiden \e(i)-den\ as a boy's name is a variant of Aidan (Gaelic), and the meaning of Eiden is "fire".

The baby name Eiden sounds like Eidan, Eden, Aiden and Eaden. Other similar baby names are Elden, Edel, Aden, Edan, Ayden, Aidyn, Eldin, Eldon, Auden, Boden, Kaden, Caden, Eben, Edin, Edyn, Eadin, Eder, Eagen, Eilon, Eilan, Ethen, Eitan, Ewen, Eugen, Even, Euen, Gideon, Gidon, Haden, Eion, Jaden, Jaiden, Eian, Kaiden, Caiden, Lidon, Paden, Raiden, Ryden and Eudel.